Pure Vitamin B-12 based in ActivAloe® aloe vera juice and grapefruit seed extract in a 2500mcg power dose to maximize your body¿s natural energy. Pure Vitamin B-12 based in ActivAloe® aloe vera juice and grapefruit seed extract in a 2500mcg power dose to maximize your body¿s natural energy. Brain Power - Vitamin B-12 is required for the proper function and development of the brain, nerves, blood cells, and many other parts of the body. B-12 is used by many to promote memory and concentration. Nutritional Support for Vegetarians - Plant foods do not contain vitamin B-12 except when they are contaminated by microorganisms. Liquid Health Vitamin B-12 drops provide vegans a reliable source to supplement vitamin B-12 in their diet. Safe Energy - Vitamin B-12 has been used to promote energy in a sustainable and safe manner by health enthusiasts for years. B-12 fights fatigue and weakness by supporting the circulatory system and protecting against deficiency of vitamins necessary for energy production within the body. Because it supports your bodies natural systems you can avoid the rebound drop in energy experienced by many less natural stimulants.